Some methods of birth control are more reliable than others. Unfortunately, there is no perfect form of birth control. Only abstinence can protect against unwanted pregnancy and is one hundred percent reliable. The first contraception devices were mechanical barriers in the vagina that prevented the male sperm from fertilizing the female egg. These include condoms, diaphragm, and cervical caps. Condoms are the only mechanical barriers that protects against sexually transmitted diseases like HIV. Another form of birth control is spermicide, which is a medication that kills sperm. Different types of spermicide are jelly, cream, tablet or foam; all are placed in the vagina. Spermicide can be used without medical supervision, but must be used with each act of intercourse.

Contraceptive pills or oral contraception are common forms of contraception for women used to prevent ovulation. There

hormones or sex drive. Male sterilization takes longer to work than female sterilization and sperm can take a few months to disappear from semen. Therefore you need to use another method of contraception until you have had tests to prove no sperm is present in the semen.

The least effective form of birth control used today is The Natural Method. This method is also the cheapest because the woman monitors her menstrual cycle. The average cycle is twenty-eight days, ovulation occurs fourteen days prior to the

woman's period. She then must avoid sex or use a method of contraception on her fertile days. The effectiveness of this method is around seventy-two. This method is also one of the hardest methods because the woman must maintain a good record of her menstrual cycle. The most effective method is IUD's, Tubal sterilization, Vasectomy, Depo Provera (Henzl 30). Abortions for some women are consider a form of birth control. It may not be the best solution to the problem, but is probably most widely practice form of birth control.

With a solution to help prevent pregnancy effects come along with it. For people who take contraceptive pills, Depo Provera and Norplant as a result many experience menstrual pain. It may have some side effects such as nausea, headaches, acne, mood changes and weight gain. There is evidence that the pill offers some protection against cancer of the uterus and ovaries. A full medical history is essential, as this pill is not suitable for women who have certain conditions such as high blood pressure, circulatory disease, and diabetes. Those women over forty years old who smoke and are overweight may be advise

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